Mobile fluid storage tank



FIG. 1 is a right side elevational view of a mobile fluid storage tank incorporating my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof on an enlarged scale;

FIG. 5 is a rear elevational view thereof on an enlarged scale;

FIG. 6 is a right side elevational view, on a reduced scale, of a modified form of my new design;

FIG. 7 is a top plan view thereof on the same scale as FIG. 2;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a rear elevational view thereof on an enlarged scale; and,

FIG. 10 is a front elevational view thereof on an enlarged scale. 

The ornamental design for a mobile fluid storage tank, as shown and described. 